Sliding window-blind



(No Model.)

'e. POPPERT. SLIDING WINDOW BLIND.

No. 432,329. Patented July 15, 1890.-

A m 4 W/ A 1,

UNITED STATES PATENT OFFICE.

GEORGE POPPERT, OF MILYVAUKEE, YVISCONSIN.

SLIDING WINDOW-BLIND.

SPECIFICATION forming part of Letters Patent No. 432,329, dated July 15, 1890.

Application filed January 29. 1890. Serial No. 338,500. (No model.)

To all whom it may concern:

Be it known that I, GEORGE PoPPER'r, of Milwaukee, in the county of Milwaukee, and in the State of Wisconsin, have invented certain new and useful Improvements in Sliding lVindow-Blinds; and I do hereby declare that the following is a full, clear, and exact description thereof.

My invention relates to sliding windowblinds; and it consists in certain peculiarities of construction, as will be fully set forth hereinafter and subsequently claimed.

In the drawings, Figure 1 is a side elevation, partly in section, of portions'of a window-casing and sliding blind embodying my present improvement. Fig. 2 is a detail perspective View of the blind-guides and weightpockets also embodying my present invention; and Fig. 3 is a cross-section of the parts shown in Fig. 2, both of said figures being partially broken away to better illustrate the construction and relative arrangement of the several parts.

A represents one of the strips in a Windowcasing for concealing the edges of the studding and plaster, and B one of the pieces containing the blind-guides and weight-pockets placed against said strips, the same preferably consisting of solid grooved-out pieces such as are shown in Fig. 2, having the weightpockets at a a on one side and the blind-guides b b b on the other side thereof, three of said blind-guides being shown in the present instance, but the number, more or less, being immaterial.

My pieces B are bored transversely through or nearly through the upper part thereof, as shown at c, said bore entirely removing in its path the wood of the partition d between the blind-guides and Weight-pockets, and also cutting through the partitions e 6 between the several weight-pockets, as well as to a less extent the partitions ff between the several blind-guides, and between each of the said partitions e f the partition cl is bored through, as shown at g g, these bores being preferably made at an angle to said partition d and communicating with the bore 0, and in the latter bore is driven a smooth round pin 0, preferably of glass, but which may be of metal, hard wood, hard rubber, or any other suitable material as long as its exposed surface is smooth and hard. The diameter of the pin C is so nearly that of the bore 0 that said pin shall fit closely in the bore, no revolving movement of the pin being necessary to its effective action, as is the case with the usual sash-weight pulleys.

D represents one of the sliding blinds, of which there are threeone for each blindguide-in the construction shown. Each of these blinds is recessed or cut away, as shown at h, at the upper corners, and there connected to one end of the cords E, which pass up and through the holes g over the smooth pin 0, and then down in the weight-pockets a, the other ends of the said cords E being connected to the weights F.

Gr represents one of the transverse strips which close the weight-pockets.

By the use of my described invention pulleys are entirely dispensed with, and the cords E move over the smooth polished surfaces of the pins (3 with a minimum degree of friction, besides avoiding the trouble which frequently occurred with pulleys of the cords slipping from position in the grooves of the pulleys and becoming wedged between the sides of the pulleys and the partitions of the weightpockets, which was a fruitful source of objection to the former style of sliding blinds, causing them to stick or the cords to break, or both, and necessitating frequent removals of the wood-work of the casin g and readjustment of the cords over the pulleys.

Having thus described my invention, what I claim as new, and desire to secure by Letters .Patent, is

1. An improved sliding window-blind casing having its upright pieces provided each on one side with weight-pockets and on the opposite side with blind-grooves, and provided each also in its upper part with a transverse bore communicating with said pockets and grooves, and also with lateral bores formed each through the partition between a blindguide and the corresponding weight poeket, the said transverse bore containing a closelyfitted smooth hard cylindrical pin, substantially as described.

2. The combination,with the uprights having each weight-pockets and blind-guides 011 IOC through said lateral bores, substantially as described.

In testimony that I claim the foregoing I have hereunto set my hand, at Milwaukee, in 15 the county of Milwaukee and State of 'Wiseonsin, in the presence of two Witnesses.

GEORGE POPPERT.

Witnesses:

11. G. UNDERWOOD, WM. KLUG. 

